445064 has 8 divisors (see below), whose sum is σ = 834510. Its totient is φ = 222528.

The previous prime is 445033. The next prime is 445069. The reversal of 445064 is 460544.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 432964 + 12100 = 658^2 + 110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (445069) by changing a digit.

445064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27809 + ... + 27824.

2⁴⁴⁵⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

445064 is a deficient number, since it is larger than the sum of its proper divisors (389446).

445064 is a wasteful number, since it uses less digits than its factorization.

445064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55639 (or 55635 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 445064 is about 667.1311715098. The cubic root of 445064 is about 76.3497270757.

The spelling of 445064 in words is "four hundred forty-five thousand, sixty-four".